yugioh dark monster deck YU-GI-OH! CCG: World Structure – Gameology Dark Calling - Yu-Gi-Oh! Card

When a player chooses to put their Commander in their library note of their own volition, they and the person whose card effect put it there each take 3 drinks

Creature Human Wizard When Spellseeker enters the battlefield, you may search your library for an instant or sorcery card with mana value 2 or less, reveal it, put it into your hand, then shuffle

As, even if an opponent deals the killing blow to a Battle, the controller/caster is the only one able to re-cast the card from Exile

If you have your commander on the battlefield, just casting good backup cards like Boon-Bringer Valkyrie or Death-Greeter's Champion with some small creatures is devastating